From efc1585ae3d8784295c020f2c617aab2e2502551 Mon Sep 17 00:00:00 2001
From: Kontinuation <morisama@yeah.net>
Date: Sun, 18 May 2014 20:46:28 +0800
Subject: [PATCH] Make the copy assignment operator of Exception class
 exception safe

---
 Foundation/src/Exception.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Foundation/src/Exception.cpp b/Foundation/src/Exception.cpp
index e203c1c04..959e10e17 100644
--- a/Foundation/src/Exception.cpp
+++ b/Foundation/src/Exception.cpp
@@ -65,9 +65,10 @@ Exception& Exception::operator = (const Exception& exc)
 {
 	if (&exc != this)
 	{
+		Exception *new_pNested = exc._pNested? exc._pNested->clone() : 0;
 		delete _pNested;
 		_msg     = exc._msg;
-		_pNested = exc._pNested ? exc._pNested->clone() : 0;
+		_pNested = new_pNested;
 		_code    = exc._code;
 	}
 	return *this;